January 7, 2013

Lasers + Graphite = Maglev 'Air Hockey'

Phillip Broadwith, Chemistry World

AP Photo

A graphite disk levitating over a bed of rare earth permanent magnets can be ‘pushed’ around or made to spin using a laser beam, Japanese scientists have shown. The phenomenon can also be used to convert sunlight into movement, offering a possible alternative way to harness solar energy.

Read Full Article ››

TAGGED: Lasers, Graphite, Maglev


There's a famous (though, as with all great quotes, perhaps apocryphal) line attributed to Mark Twain that is often quoted as a guide to world leaders: "History doesn't repeat itself, but it does rhyme." more ››